Add TranslationNotExists exception

src/Exceptions/TranslationNotExists.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace FaizShukri\Quran\Exceptions;
+
+use \Exception;
+
+class TranslationNotExists extends Exception { }

src/Quran.php

@@ -2,6 +2,8 @@
 
 namespace FaizShukri\Quran;
 
+use FaizShukri\Quran\Exceptions\TranslationNotExists;
+
 class Quran
 {
     private $config;
@@ -69,6 +71,8 @@ public function get($args)
                 $xmlFile = $this->firstMatchAvailableTranslation($translation);
             }
 
+            if(!$xmlFile) throw new TranslationNotExists("Translation " . $translation . " didn't exists. Please check your config.");
+
             $xml = new XML( $xmlFile );
             $res = $xml->find($args[0], $this->parseSurah($args[1]));
             $result[$translation] = $res;

src/config/quran.php

@@ -139,5 +139,5 @@
     |
     */
 
-    "translations" => ["en.sahih", "ms.basmeih"],
+    "translations" => ["en.sahih"],
 ];

tests/QuranTest.php

@@ -1,6 +1,7 @@
 <?php
 
 use FaizShukri\Quran\Quran;
+use FaizShukri\Quran\Exceptions\TranslationNotExists;
 
 class QuranTest extends PHPUnit_Framework_TestCase
 {
@@ -99,4 +100,12 @@ public function test_mix_ayah_translation_sort()
         $this->assertEquals('12', key($res)); next($res);
         $this->assertEquals('13', key($res));
     }
+
+    /**
+     * @expectedException \FaizShukri\Quran\Exceptions\TranslationNotExists
+     */
+    public function test_exception()
+    {
+        $this->quran->translation('ms')->get('1:3');
+    }
 }